Area Code 406-330 located in CLINTON, MISSOULA, MT, more detail is as below. Place NPA (Numbering Plan Area) : 406 NXX (Local Number Prefix) : 330 City : CLINTON County : MISSOULA State : MT (Montana) NXX Use Type : Landline NXX Intro Version : 4/12/2006 FIPS (Federal Information Processing Standards) : 30063 LATA (Local Access Transport Area) : 648 Rate Center : CLINTON ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 59825 Other Information NPANXX : 406330 Switch CLLI (Common Language Location Identifier) : MSSLMT69PS0 MSA CBSA (Core Based Statistical Area) : Missoula, MT MSA CBSA Code (Core Based Statistical Area) : 33540 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : BRESNAN BROADBAND OF MONTANA, LLC - MT OCN (Operating Company Number) : 008E Coverage Area Name : CLINTON Latitude : 46.7747 Longitude : -113.7060 ‹ previous : 406-329 next › : 406-331 Telephone Number List 406-330-0000 ~ 406-330-9999